First thing is you need to sleep well to reduce your dark circles , regarding curing it , you can use a good under eye cream like from Anveya , it's effective , regular usage will help to reduce dark circles. Check it at Amazon.

Hey I would suggest you Anveya vitamin C serum specially made for under eye sensitive skin which helps to reduce the dark spots, wrinkles and fine lines with regular use

You can use anveya under eye treatment it soothes the skin around the eyes and lightens down the dark circles and it is organic so completely safe to use